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  1. [SOLVED] Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Congrats! Installing an RC kernel is not for the faint of heart, but if it works for you, that's what counts. If you consider this matter solved, please mark it so by using the thread tools option in...
  2. [SOLVED] Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Unfortunately, my explorations have been fruitless so far. My own setup is still borked on the new kernel. Thankfully, the old kernel works, which I find to be an acceptable short‑term solution for...
  3. [SOLVED] Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Yes. Nomodeset disables HW acceleration. That's why it often worksóby falling back to a more primitive mode. It's not meant as a long‑term solution but as a temporary get‑by.

    I'm going to be...
  4. [SOLVED] Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Your HW shows no surprises. The i915 driver is quite stable by now.

    Kudos to you for having the initiative to try passing the kernel parameter. When you added it, did you do so by adding to boot...
  5. [SOLVED] Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Hmm… your log errors are eerily similar to mine. I boot from internal SSD connected via standard bus, so that's not the source of the problem.

    Please scan my thread because oldfred is helping out...
  6. [SOLVED] Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Welcome to the forums, smojo.

    Though we normally frown on "me too" posts, given that your error message is exactly the same as the one reported in my post here, I think it highly likely that we...
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